Revision history of "File:GlassSponge TMM 0898.jpg"

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  • curprev 19:57, 10 March 2015RABaker96 talk contribs 246 bytes +246 The spicule skeleton of a glass sponge. Sponge spicules can be made of proteins, calcium carbonate, or, as in this case, silica. On display at the Texas memorial Museum.